Home / 85,536,034.90-128,304,052.35-28,030,182.10

Finding the Fourth Proportional to 85,536,034.90, 128,304,052.35 and 28,030,182.10

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Solution

The fourth proportional to 85,536,034.90, 128,304,052.35 and 28,030,182.10 is: 42,045,273.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,536,034.90 : 128,304,052.35 = 28,030,182.10 : x
  2. Step 2: Convert to fraction form
    85,536,034.90/128,304,052.35 = 28,030,182.10/x
  3. Step 3: Cross multiply
    85,536,034.90x = 128,304,052.35 × 28,030,182.10
  4. Step 4: Simplify right side
    85,536,034.90x = 3,596,385,951,538,433
  5. Step 5: Solve for x
    x = 3,596,385,951,538,433/85,536,034.90
  6. Step 6: Final answer
    x = 42,045,273.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.